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Altera_Forum
Honored Contributor
Honored ContributorDMA Problems
Hi there !! I´ve got problems using dma controller in sopc builder, quartus 8.0 and cyclone III. I try to write about 16000 values of a 32 bit word from one memory to another. in a first test th...
Altera_ForumHonored Contributor
Honored Contributorok...but i´m quite confused couse it works in one direction..
internal memory is one of the fastest memory i can implement with sopc builder i reckon..so if i write from sdram into internal memory, there should be no problem with timing..i also tried instead of writing into internal memory writing on an pio...but same result. it seems like dma controller is reading data from sdram and buffering, and while writing to master write adress isn´t able to read data from sdram at the same time... phhhh... :mad:
